1967.0000000;-1.2848513
1968.0000000;0.2194277
1969.0000000;-0.5626425
1970.0000000;-0.5826483
1971.0000000;-1.5132426
1972.0000000;-0.5756996
1973.0000000;-0.9678271
1974.0000000;-0.9803501
1975.0000000;-0.2929028
1976.0000000;-1.5188711
1977.0000000;0.0574119
1978.0000000;0.4990872
1979.0000000;-0.2403123
1980.0000000;0.4082081
1981.0000000;0.1627928
1982.0000000;0.0519145
1983.0000000;-0.2317828
1984.0000000;0.9555860
1985.0000000;0.4350215
1986.0000000;-1.2334353
1987.0000000;0.0325501
1988.0000000;0.5280156
1989.0000000;-1.4143121
1990.0000000;-1.7020595
1991.0000000;-1.6337128
1992.0000000;-1.4943552
1993.0000000;-0.6580240
1994.0000000;-0.3323299
1995.0000000;0.7937914
1996.0000000;-0.2923906
1997.0000000;-0.8425494
1998.0000000;-1.7606556
1999.0000000;-0.7257980
2000.0000000;-0.8909763
2001.0000000;0.8061572
2002.0000000;-0.9940877
2003.0000000;-2.5296011